Question CPU-Z or info on the ram "box" is wrong

Dec 24, 2020
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I have 2 ram 4g 1866 mhz CL10 in dual channel (hx318c10fb/4), but CPU-Z says that i have 1600 mhz CL9. i look on the HyperX products and they dont have 1600 mhz CL9, only 1333mhz has CL9. CPU-Z is wrong or I'm not reading the information correctly?
CPU-Z: https://prnt.sc/w9cud8
I want to know this because i want to buy more ram with the same specs.
 

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